Home / 688,883,447.40-1,033,037,859.48-216,060,671.04

Finding the Fourth Proportional to 688,883,447.40, 1,033,037,859.48 and 216,060,671.04

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Solution

The fourth proportional to 688,883,447.40, 1,033,037,859.48 and 216,060,671.04 is: 324,000,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,883,447.40 : 1,033,037,859.48 = 216,060,671.04 : x
  2. Step 2: Convert to fraction form
    688,883,447.40/1,033,037,859.48 = 216,060,671.04/x
  3. Step 3: Cross multiply
    688,883,447.40x = 1,033,037,859.48 × 216,060,671.04
  4. Step 4: Simplify right side
    688,883,447.40x = 223,198,853,128,974,016
  5. Step 5: Solve for x
    x = 223,198,853,128,974,016/688,883,447.40
  6. Step 6: Final answer
    x = 324,000,894.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.